Not just because of running to catch the bus. People who use public transit tend to be more active in general. (Obesity Panacea)

What the !?%$#**! do we know about human mutation rates, anyway? Less than you might think. (John Hawks Weblog)

This confirms what I already believe about both anti-vaxxers and corporate PowerPoint use. A GlaxoSmithKline presentation on the importance of vaccination leaves Jason Goldman pondering cognitive bias and the vital importance of good PowerPoint use. (The Thoughtful Animal)

All part of a conspiracy by socialist Radiolarians. Analysis of carbon isotopes in sediment cores suggest that a period of climatic warming in the middle Eocene was caused by increased atmospheric carbon dioxide. (Scientific American)

WTF is hepato-splen? That’s just one of many questions Scicurious can’t answer about a truly bizarre study investigating the effect of lunar phases on women’s menstrual cycles. (Neurotic Physiology)

Video this week, via io9: German researchers have determined that bats recognize bodies of water by echolocation because, when presented with a metal plate that reflects sound the way water does, they try to drink from it.